Water-cooled Magnetic Oil Free Centrifugal Chiller with Heat Recovery

Cooling Capacity Range: 559kW~1677kW

Chilled water outlet temperature: 5~20℃

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Water-cooled Magnetic Oil Free Centrifugal Chiller with Heat Recovery

H.Stars 50STD Magnetic Oil Free Centrifugal Chiller with heat recovery has two series: “Magnetic Oil Free Centrifugal Water-Cooled Chiller with heat recovery” and “Magnetic Oil Free Centrifugal Air-Cooled Chiller with heat recovery”. 8 standard specifications with Cooling Capacity range from 420 - 7800kw, Lowest outlet chilled water temperature is 5℃. Customized service available base on client requirement, such as Anti-corrosion sea water chiller with various power supply. Besides, the hot free water temperature created by the heat recovery device can reach 45-55℃.

Product features and functions:
1)Adopts high-integration single-chip microcomputer which greatly improves the anti-interference ability of the system.
2)The HMI directly displays the fault content, and cooperates with the simple operation interface to timely feedback various maintenance information.
3)The unit control system can be connected to the user's central control system (BMS), so the customer can monitor the chiller operation at any time.
4)Over-voltage, under-voltage, three-phase unbalance, and lack phase protection are applied to the external power supply system.


Main component:

1) Danfoss compressor (below 450RT)
2) Hanbell compressor (above 450RT)
3) Active magnetic suspension bearing
4) Permanent magnet synchronous
5) High efficiency evaporator
6) High efficiency condenser
7) Economizer
8) Heat recovery device


50STD series Magnetic Oil Free Water-cooled Centrifugal Chiller technical
Refrigerant:R134a Power supply:380V-3N-50/60Hz
Model Nominal cooling capacity Input power Energy control  % Refrigerant charge kg Cindenser Evaporator Running noise dB(A) Machine weight
kg
Running weight
kg
kW USRT kW Inlet pipe diameterin Water flowm3/h Maximum pressure in the water side   MPa Water pressure drop Inlet pipe diameterin Water flowm3/h Maximum pressure in the water side MPa Water pressure drop kPa
50STD-150F2 559 159 95 10~100%,DC VFD adjustment 250 5″ 112 1 68 5″ 96 1 68 68 2430 2930
50STD-300F2 1117 318 190 450 6″ 225 1 70 6″ 192 1 70 69 4600 5100
50STD-450F2 1575 448 242 675 8″ 312 1 74 8″ 271 1 74 74 11000 11500
50STD-900F2 3150 896 484 1350 10″ 625 1 76 10″ 542 1 76 76 19000 19500
50STD-1350F2 4725 1343 726 2000 12″ 937 1 76 12″ 813 1 76 78 27000 27500
50STD-1800F2 6300 1791 968 2700 14″ 1250 1 78 14″ 1083 1 78 80 35000 35500
50STD-2250F2 7875 2239 1210 3350 16″ 1562 1 78 16″ 1354 1 78 82 43000 43500


Note:

1. Nominal cooling capacity reference:evaporator inlert and outlet water temperature 12°C /7°C,condensor inlet and outlet water temperature 30°C - 35°C; fouling factor 0.088 ㎡ .°C/ KW; 
2. Chilled water temperature range: 5-20°C; 
3. Cooling water temperature range:15-40°C; 
4.Specifications and dimensions improvement will be adjusted without notice.



magnetic levitation chillers

Control center:
1)It is equipped with a 10 inch display.
2)Built in electronic expansion valve drive module to ensure more accurate liquid supply.
3)Three phase voltage and current are displayed timely and highly integrated with the controller
4)The unit can be connected to each other to form module control,group control or single control freely switch to each control mode.
5)The chiller has built in more than 30 protections functions to provide comprehensive protection for the safe operation of the unit.
6)The chiller has advanced multi-surge function,which combines prevention,control and alarm to make the unit meet the customer's cooling capacity within the safe operation range.

Heat Recovery Technology:
Heat recovery technology is to recycle part of or all of the heat capacity produced during the refrigeration process by heat recovery unit to provide customers free hot water from 45℃ to 55℃,which is suitable for hotel,hospital,school and other places of large public institutions. Friendly environmentally and energy saving.


oil free centrifugal chiller


Development and advantage for heat recovery technology of H.Stars:
H.Stars Group has been engaged in research and practice of heat recovery technology and application for a long period of time (the first company awarded with heat recovery patent) and has accumulated a lot of experience in heat recovery and utilization and own a national patent of heat recovery.
Free hot water supplied all year around,cost and energy saving,it can reduces the heat pollution to the environment caused by condensation heat from the chiller largely.

Heat recovery specification:

Model 30% Heat recovery 100% Heat recovery
Model of heat recovery unit Heat recovery capacity (Kw) Model of heat recovery unit Heat recovery capacity (Kw)
50STD-120AP2 UHR035A 120 UHR120A 400
50STD-150F2 UHR045A 150 UHR150A 500
50STD-300F2 UHR090A 300 UHR300A 1000
50STD-450F2 UHR135A 450 UHR450A 1500
50STD-900F2 UHR270A 900 UHR900A 3000
50STD-1350F2 UHR405A 1350 UHR1350A 4700
50STD-1800F2 UHR540A 1800 UHR1800A 6000
50STD-2250F2 UHR675A 2250 UHR2250A 8000


Product lifting:

magnetic bearing centrifugal chiller


contact experts
Contact Person: Ms May Chow Mobile/WhatsApp: +86 18665672648 Tel: +86-20-62266755 Ext. 886 Fax: +86-20-82266081 Email: maychow@hstars.com.cn
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